Nadya Friedman
Psychiatry Physician · Clearlake, CA
Nadya Friedman is a psychiatry physician with a practice address in Clearlake, California, and NPI 1811048911, issued on Jan 15, 2007. Check the license (California C155143, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nadya Friedman
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- C155143 CA
241466 NY
Self-reported in NPPES; status is on the state search - Practice location
- 15230 Lakeshore Dr, Clearlake, CA 95422
- Phone
- (707) 995-4500
- Enumerated
- Jan 15, 2007
- Record last updated
- Feb 14, 2022
- Medicare enrollment
- Enrolled (PECOS I20180629001301); accepts Medicare assignment
- Medical or professional school
- East Tennessee State University Quillen College Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 15230 Lakeshore Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Arthur Bikangaga, MDSurgery Physician1952319030
- Jerylyn Bohlender, LCSWClinical Social Worker1750782488
- Daniel Boucher, MDFamily Medicine Physician1164115549
Verify Nadya Friedman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C155143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average psychiatry physician in 2024
2,631 Medicare Part D claims for 141 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Quetiapine Fumarate219 claims
- Trazodone Hcl194 claims
- Duloxetine Hcl185 claims
- Aripiprazole161 claims
- Escitalopram Oxalate149 claims
- Mirtazapine116 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Adventist Health Clearlake Hospital Inc.Clearlake, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nadya Friedman among 8,673 psychiatry physician records in California
Nadya Friedman is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2005 · median 2005 among the 3,295 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 psychiatry physician records list a practice address in Clearlake
They are 3 of the 321 NPPES records with a practice address in Clearlake, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Clearlake → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Volodymyr Karpa, M.D.Clearlake, CA 954221144609199
- Megan Smith, MDClearlake, CA 954221750888657
- John Garratt, M.D.Comptche, CA 954271386706695
- Robert Elias, M.D.Santa Rosa, CA 954091184824625
- Cayo Alba, CNM, PMHNP-BCFort Bragg, CA 954371164718334
- Michael Brown, MDFort Bragg, CA 954371972644300
- Joseph Hannan, M.D.Santa Rosa, CA 954071417022377
- Elizabeth Hegarty, MDSanta Rosa, CA 954071740405026
Common questions
What is Nadya Friedman's NPI number?
Nadya Friedman's National Provider Identifier (NPI) is 1811048911, issued on Jan 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nadya Friedman located?
The NPPES record lists a practice address at 15230 Lakeshore Dr, Clearlake, CA, 95422. Phone: (707) 995-4500. Providers update this record themselves, so call before visiting.
How can I verify Nadya Friedman's license?
NPPES lists California license number C155143, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nadya Friedman prescribe under Medicare Part D?
In 2024, Nadya Friedman had 2,631 Medicare Part D claims for 141 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.